Home / 35,129.28-48,477.38-19,213.39

Finding the Fourth Proportional to 35,129.28, 48,477.38 and 19,213.39

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Solution

The fourth proportional to 35,129.28, 48,477.38 and 19,213.39 is: 26,513.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,129.28 : 48,477.38 = 19,213.39 : x
  2. Step 2: Convert to fraction form
    35,129.28/48,477.38 = 19,213.39/x
  3. Step 3: Cross multiply
    35,129.28x = 48,477.38 × 19,213.39
  4. Step 4: Simplify right side
    35,129.28x = 931,414,808.12
  5. Step 5: Solve for x
    x = 931,414,808.12/35,129.28
  6. Step 6: Final answer
    x = 26,513.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.